secwatch.observer — SEC 8-K summary
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Issuer:     ESS Tech, Inc. (GWH)
CIK:        0001819438
Form:       8-K
Filed at:   2026-06-18T21:27:54+00:00
Accession:  0001819438-26-000049
Event type: leadership
Sentiment:  neutral
Materiality: 0.20
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

Board member Rich Hossfeld resigns; Raffi Garabedian takes audit committee seat.
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- Rich Hossfeld resigned from ESS Tech board and Audit Committee effective June 12, 2026.
- Raffi Garabedian appointed to the Audit Committee effective June 12, 2026.
- Resignation not due to any disagreement with company on operations, policies, or practices.
- Company thanked Hossfeld for years of service and contributions.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1819438/000181943826000049/0001819438-26-000049-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1819438/000181943826000049/wk-20260612.htm
  HTML page:      https://secwatch.observer/filing/0001819438-26-000049

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